/* General purpose definitions for the GNU Objective-C Library.
   Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.

   Written by:  Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
   Created: May 1993

   This file is part of the GNUstep Base Library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02111 USA.
*/ 

#ifndef __preface_h_OBJECTS_INCLUDE
#define __preface_h_OBJECTS_INCLUDE

#include <stdlib.h>
#include <stdarg.h>

#if     defined(__WIN32__) || defined(_WIN32) || defined(__MS_WIN32__)
#  if	!defined(__WIN32__)
#    define __WIN32__
#  endif
#endif

#if	defined(__MINGW32__)
#  if	!defined(__MINGW__)
#    define __MINGW__
#  endif
#  if	!defined(__WIN32__)
#    define __WIN32__
#  endif
#endif

#ifndef __has_include
#  define __has_include(x) 0
#endif
#ifndef __has_feature
#  define __has_feature(x) 0
#endif

#if defined(__WIN32__)
#include <w32api.h>
#ifndef _WIN32_WINNT
#define _WIN32_WINNT Windows2000
#endif
#if	!defined(WINVER)
#define WINVER Windows2000
#elif (WINVER < Windows2000)
#undef	WINVER
#define WINVER Windows2000
#endif
#include <windows.h>
#define GNUSTEP_BASE_SOCKET_MESSAGE (WM_USER + 1)
#endif

/* From CoreFoundation.h */
#ifndef CF_EXCLUDE_CSTD_HEADERS
#include <sys/types.h>
#include <stdarg.h>
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <float.h>
#include <limits.h>
#include <locale.h>
#include <math.h>
#include <setjmp.h>
#include <signal.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#endif

/* FIXME: Should not all these includes go in GSObjCRuntime.h ? */
#if NeXT_RUNTIME
 #include <objc/objc.h>
 #include <objc/objc-class.h>
 #include <objc/objc-runtime.h>
 #ifndef _C_ATOM
  #define _C_ATOM '%'
 #endif
 #define _F_CONST    0x01
 #define _F_IN       0x01
 #define _F_OUT      0x02
 #define _F_INOUT    0x03
 #define _F_BYCOPY   0x04
 #define _F_ONEWAY   0x08
 #define _C_CONST    'r'
 #define _C_IN       'n'
 #define _C_INOUT    'N'
 #define _C_OUT      'o'
 #define _C_BYCOPY   'O'
 #define _C_ONEWAY   'V'
#else				/* GNU Objective C Runtime */
 #include <objc/objc.h>
 #if defined (__GNU_LIBOBJC__)
  #include <objc/runtime.h>
 #else
  #include <objc/objc-api.h>
  #include <objc/encoding.h>
 #endif
#endif

// Include the blocks runtime header if it's available (It shouldn't matter
// that this doesn't work on compilers that don't support __has_include(),
// because they also don't support blocks).
#if __has_include(<objc/block_runtime.h>)
#  include <objc/block_runtime.h>
#endif

/*
 * Hack for older compiler versions that don't have all defines
 * needed in  objc-api.h
 */
#ifndef	_C_LNG_LNG
#define	_C_LNG_LNG	'q'
#endif
#ifndef	_C_ULNG_LNG
#define	_C_ULNG_LNG	'Q'
#endif

#ifndef __WIN32__
#include <sys/param.h> /* Hack to get rid of warning in GNU libc 2.0.3. */
#endif

/* The following group of lines maintained by the gstep-base configure */
#define GNUSTEP_BASE_VERSION            @VERSION@
#define GNUSTEP_BASE_MAJOR_VERSION      @MAJOR_VERSION@
#define GNUSTEP_BASE_MINOR_VERSION      @MINOR_VERSION@
#define GNUSTEP_BASE_SUBMINOR_VERSION   @SUBMINOR_VERSION@
#define GNUSTEP_BASE_GCC_VERSION        @GCC_VERSION@

/* Do not use the following macros!
 */
#define OBJC_DEP(M) \
  ({ static BOOL beenHere = NO; if (beenHere == NO) {\
    beenHere = YES; fprintf(stderr, "%s:%d %s", __FILE__, __LINE__, (M));}})

#define OBJC_MALLOC(VAR, TYPE, NUM) \
   (OBJC_DEP("OBJC_MALLOC is deprecated ... use malloc\n"),(VAR) = (TYPE *) malloc ((unsigned)(NUM)*sizeof(TYPE))) 
#define OBJC_VALLOC(VAR, TYPE, NUM) \
   (OBJC_DEP("OBJC_VALLOC is deprecated\n"),(VAR) = (TYPE *) valloc ((unsigned)(NUM)*sizeof(TYPE))) 
#define OBJC_ATOMIC_MALLOC(VAR, TYPE, NUM) \
   (OBJC_DEP("OBJC_ATOMIC_MALLOC is deprecated\n"),(VAR) = (TYPE *) malloc ((unsigned)(NUM)*sizeof(TYPE))) 
#define OBJC_REALLOC(VAR, TYPE, NUM) \
   (OBJC_DEP("OBJC_REALLOC is deprecated ... use realloc\n"),(VAR) = (TYPE *) realloc ((VAR), (unsigned)(NUM)*sizeof(TYPE)))
#define OBJC_CALLOC(VAR, TYPE, NUM) \
   (OBJC_DEP("OBJC_CALLOC is deprecated ... use calloc\n"),(VAR) = (TYPE *) calloc ((unsigned)(NUM), sizeof(TYPE)))
#define OBJC_FREE(PTR) (OBJC_DEP("OBJC_FREE is deprecated ... use free\n"), free (PTR))

#ifndef MAX
#define MAX(a,b) \
       ({__typeof__(a) _MAX_a = (a); __typeof__(b) _MAX_b = (b);  \
         _MAX_a > _MAX_b ? _MAX_a : _MAX_b; })
#endif

#ifndef MIN
#define MIN(a,b) \
       ({__typeof__(a) _MIN_a = (a); __typeof__(b) _MIN_b = (b);  \
         _MIN_a < _MIN_b ? _MIN_a : _MIN_b; })
#endif

#ifndef ABS
#define ABS(a) \
       ({__typeof__(a) _ABS_a = (a); \
         _ABS_a < 0 ? -_ABS_a : _ABS_a; })
#endif

#ifndef STRINGIFY
#define STRINGIFY(s) XSTRINGIFY(s)
#define XSTRINGIFY(s) #s
#endif

#ifndef OBJC_STRINGIFY
#define OBJC_STRINGIFY(s) OBJC_XSTRINGIFY(s)
#define OBJC_XSTRINGIFY(s) @#s
#endif

#ifndef PTR2LONG
#define PTR2LONG(P) (((char*)(P))-(char*)0)
#endif
#ifndef LONG2PTR
#define LONG2PTR(L) (((char*)0)+(L))
#endif

#if VSPRINTF_RETURNS_LENGTH 
#define VSPRINTF_LENGTH(VSPF_CALL) (VSPF_CALL)
#else
#define VSPRINTF_LENGTH(VSPF_CALL) strlen((VSPF_CALL))
#endif /* VSPRINTF_RETURNS_LENGTH */

#if VASPRINTF_RETURNS_LENGTH 
#define VASPRINTF_LENGTH(VASPF_CALL) (VASPF_CALL)
#else
#define VASPRINTF_LENGTH(VASPF_CALL) strlen((VASPF_CALL))
#endif /* VSPRINTF_RETURNS_LENGTH */

/* Evil hack to stop gcc-4.1 complaining about a dealloc method which
 * does not call the superclass implementation.
 */
#define	GSNOSUPERDEALLOC	if (0) [super dealloc]

#ifndef CF_EXCLUDE_CSTD_HEADERS
#include <sys/types.h>
#include <stdarg.h>
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <float.h>
#include <limits.h>
#include <locale.h>
#include <math.h>
#include <setjmp.h>
#include <signal.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <inttypes.h>
#include <stdbool.h>
#include <stdint.h>
#endif

// Strong has different semantics in GC and ARC modes, so we need to have a
// macro that picks the correct one.
#if __OBJC_GC__
#  define GS_GC_STRONG __strong
#else
#  define GS_GC_STRONG
#endif

#if !__has_feature(objc_arc)
#  if __OBJC_GC__
#    define __strong __attribute__((objc_gc(strong)))
#    define __weak __attribute__((objc_gc(weak)))
#  else
#    define __strong 
#    define __weak 
#  endif
#endif

#ifndef __unsafe_unretained
#  if !__has_feature(objc_arc)
#    define __unsafe_unretained
#  endif
#endif
#ifndef __bridge
#  if !__has_feature(objc_arc)
#    define __bridge
#  endif
#endif


#endif /* __preface_h_OBJECTS_INCLUDE */